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Cisco 7931G - Unified IP Phone VoIP Manuale di amministrazione
Chapter 8
Monitoring the Cisco Unified IP Phone Remotely
Table 8-5
Streaming Statistics Area Items (continued)
Item
Interval Conceal Ratio Ratio of concealment frames to speech frames in preceding 3-second interval
Max Conceal Ratio
Conceal Secs
Severely Conceal Secs Number of seconds that have more than 5 percent concealment events (lost
1
Latency
Max Jitter
Sender Size
Sender Reports
1
Received
Sender Report Time
1
Received
Rcvr Size
Rcvr Discarded
Rcvr Reports
1
Received
Rcvr Report Time
1
Received
1. When the RTP Control Protocol is disabled, no data generates for this field and it displays as 0.
Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 6.1(3)
OL-17751-01
Description
of active speech. If using voice activity detection (VAD), a longer interval
might be required to accumulate 3 seconds of active speech.
Highest interval concealment ratio from start of the voice stream.
Number of seconds that have concealment events (lost frames) from the start
of the voice stream (includes severely concealed seconds).
frames) from the start of the voice stream.
Estimate of the network latency, expressed in milliseconds. Represents a
running average of the round-trip delay, measured when RTCP receiver report
blocks are received.
Maximum value of instantaneous jitter, in milliseconds.
RTP packet size, in milliseconds, for the transmitted stream.
Number of times RTCP Sender Reports have been received.
Last time at which an RTCP Sender Report was received.
RTP packet size, in milliseconds, for the received stream.
RTP packets received from network but discarded from jitter buffers.
Number of times RTCP Receiver Reports have been received.
Last time at which an RTCP Receiver Report was received.
Streaming Statistics
8-19